Automation Examples Using the Sun

Turn on the living room lights 45 minutes before sunset if anyone home

automation:
  trigger:
    platform: sun
    event: sunset
    offset: "-00:45:00"
  condition:
    platform: state
    entity_id: group.all_devices
    state: home
  action:
    service: homeassistant.turn_on
    entity_id: group.living_room_lights

Natural wake up light

Note, Philips Hue is currently the only light platform that support transitions. yaml automation: trigger: platform: time after: "07:15:00" action: service: light.turn_on entity_id: light.bedroom data: # 900 seconds = 15 minutes transition: 900